//
//  NSObject+SegmentCategory.h
//  SegmentDownloadDemo
//
//  Created by gao on 2018/7/17.
//  Copyright © 2018 gao. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface NSString (SegmentCategory)
- (NSString *)md5String ;
@end
@interface NSData (SegmentCategory)
- (NSString *)md5String ;
@end
